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2026-06-06 - 12:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sat Jun 06, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1978214382,6sleep10-21swapper/119:09:021
291632114104,7sleep30-21swapper/319:05:033
19002112102,7sleep00-21swapper/019:08:010
1939210996,9sleep20-21swapper/219:08:312
58902930,1sleep30-21swapper/319:10:193
42762720,0sleep10-21swapper/122:00:171
269362710,0sleep30-21swapper/322:20:183
269362710,0sleep30-21swapper/322:20:173
231472650,0sleep00-21swapper/019:25:180
103762540,0sleep229-21rcuc/222:35:192
222899270,26cyclictest0-21swapper/122:39:291
222899270,26cyclictest0-21swapper/120:22:401
222899270,26cyclictest0-21swapper/119:53:481
223099260,25cyclictest0-21swapper/220:49:002
223099260,25cyclictest0-21swapper/200:02:112
222899260,26cyclictest0-21swapper/123:35:491
222899260,26cyclictest0-21swapper/100:09:421
222899260,25cyclictest0-21swapper/122:06:111
222899260,25cyclictest0-21swapper/121:22:331
2223992623,2cyclictest0-21swapper/000:34:540
2228992518,7cyclictest0-21swapper/121:44:491
222899250,25cyclictest0-21swapper/122:13:041
222899250,25cyclictest0-21swapper/120:36:521
222899250,24cyclictest0-21swapper/123:20:341
222899250,24cyclictest0-21swapper/122:49:411
222899250,24cyclictest0-21swapper/122:44:221
223099240,23cyclictest0-21swapper/222:16:262
223099240,23cyclictest0-21swapper/222:16:252
223099240,23cyclictest0-21swapper/219:16:522
223099240,18cyclictest0-21swapper/220:05:182
222899240,23cyclictest0-21swapper/121:18:211
222399240,23cyclictest0-21swapper/022:27:010
223099231,3cyclictest0-21swapper/200:15:362
223099231,21cyclictest0-21swapper/221:36:422
223099230,22cyclictest0-21swapper/220:02:092
222899230,22cyclictest0-21swapper/120:34:331
222899230,22cyclictest0-21swapper/119:13:201
2223992318,4cyclictest749-21snmpd22:49:290
223099220,21cyclictest0-21swapper/222:46:072
223099220,21cyclictest0-21swapper/221:26:152
223099220,21cyclictest0-21swapper/219:55:062
222899220,22cyclictest0-21swapper/122:21:471
222899220,22cyclictest0-21swapper/122:21:461
222899220,22cyclictest0-21swapper/100:27:421
222899220,21cyclictest0-21swapper/122:58:251
222899220,21cyclictest0-21swapper/121:00:431
222899220,21cyclictest0-21swapper/119:32:051
222899220,21cyclictest0-21swapper/119:16:261
222899220,21cyclictest0-21swapper/100:18:391
222899220,21cyclictest0-21swapper/100:11:331
222899220,21cyclictest0-21swapper/100:01:491
2223992218,3cyclictest0-21swapper/019:15:160
2230992119,2cyclictest0-21swapper/220:26:392
2230992117,3cyclictest0-21swapper/223:13:132
2230992117,3cyclictest0-21swapper/223:00:412
2230992117,3cyclictest0-21swapper/221:43:102
2230992117,3cyclictest0-21swapper/200:39:272
223099210,20cyclictest0-21swapper/223:23:322
223099210,20cyclictest0-21swapper/219:33:092
223099210,20cyclictest0-21swapper/219:14:152
222899210,3cyclictest0-21swapper/123:49:561
222899210,3cyclictest0-21swapper/120:42:361
222899210,21cyclictest0-21swapper/121:45:391
222899210,20cyclictest0-21swapper/123:44:501
222899210,20cyclictest0-21swapper/123:33:531
222899210,20cyclictest0-21swapper/123:28:111
222899210,20cyclictest0-21swapper/122:51:261
222899210,20cyclictest0-21swapper/122:17:531
222899210,20cyclictest0-21swapper/122:17:531
222899210,20cyclictest0-21swapper/121:26:371
222899210,20cyclictest0-21swapper/121:05:001
222899210,20cyclictest0-21swapper/120:13:151
222899210,20cyclictest0-21swapper/120:06:571
222899210,20cyclictest0-21swapper/119:49:121
222899210,20cyclictest0-21swapper/119:35:121
222899210,20cyclictest0-21swapper/100:24:001
2223992118,2cyclictest749-21snmpd22:39:500
222399210,20cyclictest0-21swapper/023:58:080
223099206,8cyclictest10179-21/usr/sbin/munin21:10:222
2230992018,1cyclictest749-21snmpd23:16:292
2230992018,1cyclictest749-21snmpd22:53:112
2230992018,1cyclictest749-21snmpd20:16:002
2230992018,1cyclictest25149-21cat22:20:162
2230992018,1cyclictest25149-21cat22:20:152
2230992018,1cyclictest13006-21kthreadcore19:45:192
2230992016,2cyclictest749-21snmpd20:56:302
223099200,2cyclictest0-21swapper/223:55:112
223099200,2cyclictest0-21swapper/222:02:482
223099200,2cyclictest0-21swapper/219:42:062
223099200,2cyclictest0-21swapper/219:25:532
223099200,2cyclictest0-21swapper/200:22:212
223099200,19cyclictest0-21swapper/222:33:212
223099200,19cyclictest0-21swapper/222:10:152
223099200,18cyclictest0-21swapper/223:45:222
223099200,18cyclictest0-21swapper/222:40:482
223099200,18cyclictest0-21swapper/219:35:182
222899205,14cyclictest0-21swapper/121:35:131
222899200,2cyclictest0-21swapper/121:59:011
222899200,2cyclictest0-21swapper/121:52:491
222899200,2cyclictest0-21swapper/121:10:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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